Home / 102,663.11-153,992.85-52,713.86

Finding the Fourth Proportional to 102,663.11, 153,992.85 and 52,713.86

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Solution

The fourth proportional to 102,663.11, 153,992.85 and 52,713.86 is: 79,069.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,663.11 : 153,992.85 = 52,713.86 : x
  2. Step 2: Convert to fraction form
    102,663.11/153,992.85 = 52,713.86/x
  3. Step 3: Cross multiply
    102,663.11x = 153,992.85 × 52,713.86
  4. Step 4: Simplify right side
    102,663.11x = 8,117,556,568.26
  5. Step 5: Solve for x
    x = 8,117,556,568.26/102,663.11
  6. Step 6: Final answer
    x = 79,069.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.